package com.pleague.common.utils;
import java.security.Key;
import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESedeKeySpec;
import javax.crypto.spec.IvParameterSpec;
import org.apache.commons.codec.binary.Base64;
public class Des3Utils {
	public static void main(String[] args) throws Exception {
		String keyStr = "a2vOPeCd0BNbwboEQA7s9/s7cCDphaLv";
		String dataStr = "{\"RS_SERV\":\"serviceBusJson\",\"RS_LIST\":{\"CHECK_ID\":\"\",\"TRAN_AMT\":\"50.00\",\"VER_CODE\":\"\",\"TRANS_TIME\":\"20161116\",\"FILE_NAME\":\"DZ13401YZD10220161116.txt\",\"CHANNEL_TYPE\":\"020101\",\"TERMINAL_TYPE\":\"0\",\"CHECK_TYPE\":\"0\",\"SERV_CODE\":\"02032\",\"BRANCH_NO\":\"YZD1020304910099130001\",\"TRAN_COUNT\":\"1\",\"SERIAL_NO\":\"\",\"BANK_CODE\":\"YZD102\",\"ACCT_ORG_NO\":\"13401\",\"TERMINAL_NO\":\"0\",\"CHANNEL_NO\":\"03049\"},\"RS_TERNO\":\"02032\"}";
		String encodeECB = encodeECB(keyStr, dataStr);
		System.out.println(encodeECB);
		System.out.println(decodeECB(keyStr, encodeECB));
	}
	
//	public static void main(String[] args) throws Exception {
//		// byte[] key=new
//		// BASE64Decoder().decodeBuffer("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4");
//		String keyStr = "a2vOPeCd0BNbwboEQA7s9/s7cCDphaLv";
//		byte[] key = new BASE64Decoder().decodeBuffer(keyStr);
//		System.out.println(key.length);
//		String dataStr = "{\"RS_SERV\":\"serviceBusJson\",\"RS_LIST\":{\"CHECK_ID\":\"\",\"TRAN_AMT\":\"50.00\",\"VER_CODE\":\"\",\"TRANS_TIME\":\"20161116\",\"FILE_NAME\":\"DZ13401YZD10220161116.txt\",\"CHANNEL_TYPE\":\"020101\",\"TERMINAL_TYPE\":\"0\",\"CHECK_TYPE\":\"0\",\"SERV_CODE\":\"02032\",\"BRANCH_NO\":\"YZD1020304910099130001\",\"TRAN_COUNT\":\"1\",\"SERIAL_NO\":\"\",\"BANK_CODE\":\"YZD102\",\"ACCT_ORG_NO\":\"13401\",\"TERMINAL_NO\":\"0\",\"CHANNEL_NO\":\"03049\"},\"RS_TERNO\":\"02032\"}";
//		byte[] data = dataStr.getBytes("UTF-8");
//		System.out.println("ECB加密解密");
//		byte[] str3 = des3EncodeECB(key, data);
//		byte[] str4 = ees3DecodeECB(key, str3);
//		encodeECB(keyStr, dataStr);
//		System.out.println(new BASE64Encoder().encode(str3));
//		System.out.println(new String(str4, "UTF-8"));
//		System.out.println();
//		// System.out.println("CBC加密解密");
//		//byte[] keyiv = { 1, 2, 3, 4, 5, 6, 7, 8 };
//		// byte[] str5 = des3EncodeCBC(key, keyiv, data);
//		// byte[] str6 = des3DecodeCBC(key, keyiv, str5);
//		// System.out.println(new BASE64Encoder().encode(str5));
//		// System.out.println(new String(str6, "UTF-8"));
//	}
	
	public static byte[] decoderBase64(String str)throws Exception {
		return Base64.decodeBase64(str);
//		return new BASE64Decoder().decodeBuffer(str);
//		return Base64.decode(str);
	}
	
	public static String encodeBase64(byte[] str)throws Exception {
		return Base64.encodeBase64String(str);
//		return new BASE64Encoder().encode(str);
//		return Base64.encode(str);
	}
	
	public static String encodeECB(String keyStr, String dataStr) throws Exception {
		byte[] key = decoderBase64(keyStr);
		byte[] data = dataStr.getBytes("UTF-8");
		byte[] str = des3EncodeECB(key, data);
		return encodeBase64(str);
	}
	
	public static String decodeECB(String keyStr, String dataStr) throws Exception {
		byte[] key = decoderBase64(keyStr);
		byte[] data = decoderBase64(dataStr);
		byte[] str = ees3DecodeECB(key, data);
		return new String(str, "UTF-8");
	}

	/**
	 * ECB加密,不要IV
	 * 
	 * @param key
	 *            密钥
	 * @param data
	 *            明文
	 * @return Base64编码的密文
	 * @throws Exception
	 */
	public static byte[] des3EncodeECB(byte[] key, byte[] data) throws Exception {

		Key deskey = null;
		DESedeKeySpec spec = new DESedeKeySpec(key);
		SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
		deskey = keyfactory.generateSecret(spec);

		Cipher cipher = Cipher.getInstance("desede" + "/ECB/PKCS5Padding");

		cipher.init(Cipher.ENCRYPT_MODE, deskey);
		byte[] bOut = cipher.doFinal(data);

		return bOut;
	}

	/**
	 * ECB解密,不要IV
	 * 
	 * @param key
	 *            密钥
	 * @param data
	 *            Base64编码的密文
	 * @return 明文
	 * @throws Exception
	 */
	public static byte[] ees3DecodeECB(byte[] key, byte[] data) throws Exception {

		Key deskey = null;
		DESedeKeySpec spec = new DESedeKeySpec(key);
		SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
		deskey = keyfactory.generateSecret(spec);

		Cipher cipher = Cipher.getInstance("desede" + "/ECB/PKCS5Padding");

		cipher.init(Cipher.DECRYPT_MODE, deskey);

		byte[] bOut = cipher.doFinal(data);

		return bOut;

	}

	/**
	 * CBC加密
	 * 
	 * @param key
	 *            密钥
	 * @param keyiv
	 *            IV
	 * @param data
	 *            明文
	 * @return Base64编码的密文
	 * @throws Exception
	 */
	public static byte[] des3EncodeCBC(byte[] key, byte[] keyiv, byte[] data) throws Exception {

		Key deskey = null;
		DESedeKeySpec spec = new DESedeKeySpec(key);
		SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
		deskey = keyfactory.generateSecret(spec);

		Cipher cipher = Cipher.getInstance("desede" + "/CBC/PKCS5Padding");
		IvParameterSpec ips = new IvParameterSpec(keyiv);
		cipher.init(Cipher.ENCRYPT_MODE, deskey, ips);
		byte[] bOut = cipher.doFinal(data);

		return bOut;
	}

	/**
	 * CBC解密
	 * 
	 * @param key
	 *            密钥
	 * @param keyiv
	 *            IV
	 * @param data
	 *            Base64编码的密文
	 * @return 明文
	 * @throws Exception
	 */
	public static byte[] des3DecodeCBC(byte[] key, byte[] keyiv, byte[] data) throws Exception {

		Key deskey = null;
		DESedeKeySpec spec = new DESedeKeySpec(key);
		SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
		deskey = keyfactory.generateSecret(spec);

		Cipher cipher = Cipher.getInstance("desede" + "/CBC/PKCS5Padding");
		IvParameterSpec ips = new IvParameterSpec(keyiv);

		cipher.init(Cipher.DECRYPT_MODE, deskey, ips);

		byte[] bOut = cipher.doFinal(data);

		return bOut;

	}

}